Compute χ2STAT. Is it significant at α=0.01​?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 57RE
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A survey of B2B marketers​ (marketers that primarily focus on attracting​ businesses) and B2C marketers​ (marketers that primarily target​ consumers) reported that 261 ​(77​%) of B2B marketers and 312 ​(45​%) of B2C marketers commonly use a​job-networking site as a social media tool. The study also revealed that 143 ​(42​%) of B2B marketers and 292 ​(42​%) of B2C marketers commonly use a video website as a social marketing tool. Suppose the survey was based on 340 B2B marketers and 698 B2C marketers.

b. Compute
χ2STAT.
Is it significant at
α=0.01​?
 
Set up the null and alternative hypotheses to test. Choose the correct answer below.
Use the following contingency table to complete (a) and (b) below.
A B
10
25
Total O
90
с
1
55
2
30
35
45
100
110
200
Total
40
60
a. Compute the expected frequencies for each cell.
A B
1
18
27
45
22
33
55
(Type integers or decimals. Do not round.)
2.
Transcribed Image Text:Use the following contingency table to complete (a) and (b) below. A B 10 25 Total O 90 с 1 55 2 30 35 45 100 110 200 Total 40 60 a. Compute the expected frequencies for each cell. A B 1 18 27 45 22 33 55 (Type integers or decimals. Do not round.) 2.
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